/*
 * Copyright (c) 2008-20018 Saša Stamenković <umpirsky@gmail.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *    * Redistributions of source code must retain the above copyright notice,
 *      this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above copyright notice,
 *    	this list of conditions and the following disclaimer in the documentation
 *    	and/or other materials provided with the distribution.
 *    * Neither the name of the <ORGANIZATION> nor the names of its contributors
 *    	may be used to endorse or promote products derived from this software without
 *    	specific prior written permission.
 *
 *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *    IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 *    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 *    OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package umpirsky;

import java.io.File;
import javax.swing.filechooser.*;

/**
 * Custom file filter
 *
 * @author Saša Stamenković <umpirsky@gmail.com>
 */
public class UmpirskyFileFilter extends FileFilter {
	/**
	 * Array of filter extensions
	 */
	private String[] extensions;

	/**
	 * Filter description
	 */
	private String description;

	/**
	 * Class constructor
	 *
	 * @param description filter description
	 * @param extensions comma separated extensions list
	 */
	public UmpirskyFileFilter(String description, String extensions) {
		super();
		this.extensions = extensions.split(",");
		this.description = description;
	}

	/**
	 * Determine when file is accepted
	 *
	 * @param f file to be accepted
	 * @return boolean true if file is accepted, false if not
	 */
    @Override
	public boolean accept(File f) {
        if (f.isDirectory()) {
            return true;
        }

        // Get file extension
        String fileExtension = f.getName().substring(f.getName().lastIndexOf('.')+1, f.getName().length());

        for (String extension : this.extensions) {
        	if (fileExtension.equalsIgnoreCase(extension)) {
				return true;
			}
		}

        return false;
    }

    /**
	 * Get filter description
	 *
	 * @return String description
	 */
    @Override
	public String getDescription() {
        return this.description;
    }
}
